FM noise and spectral linewidth reduction by incoherent optical negative feedback
- 1 February 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Quantum Electronics
- Vol. 27 (2), 193-204
- https://doi.org/10.1109/3.78220
Abstract
An all-optical, stable, external feedback method, the incoherent optical negative feedback method, is proposed and demonstrated for spectral linewidth reduction and optical-frequency stabilization of distributed-feedback (DFB) lasers. The power-spectral density of frequency modulation (FM) noise is shown to be reduced in a wide range of up to several hundreds of megahertz. The linewidth and the optical-frequency drift are simultaneously experimentally reduced to about 140 kHz and less than 17 MHz, respectively. The frequency range of the effective FM noise reduction and the reduction ratio of the FM noise are up to 1 GHz and 22 dB, respectively.<>Keywords
This publication has 39 references indexed in Scilit:
- Linewidth reduction and optical frequency stabilization of a distributed feedback laser by incoherent optical negative feedbackApplied Physics Letters, 1988
- Frequency response of 1.3µm InGaAsP high speed semiconductor lasersIEEE Journal of Quantum Electronics, 1987
- Response of a Fabry–Perot cavity to phase modulated lightReview of Scientific Instruments, 1987
- Linewidth and FM characteristics of a distributed feedback laser monolithically integrated with a tunable external cavityElectronics Letters, 1987
- Linewidth broadening factor in semiconductor lasers--An overviewIEEE Journal of Quantum Electronics, 1987
- Spectral characteristics for 1.3 μm monolithic external cavity DFB lasersElectronics Letters, 1986
- Transverse and longitudinal mode control in semiconductor injection lasersIEEE Journal of Quantum Electronics, 1983
- Measurements of the semiconductor laser linewidth broadening factorElectronics Letters, 1983
- Theory of the linewidth of semiconductor lasersIEEE Journal of Quantum Electronics, 1982
- Novel method for high resolution measurement of laser output spectrumElectronics Letters, 1980